1623473360 has 80 divisors (see below), whose sum is σ = 3952247040. Its totient is φ = 619368960.

The previous prime is 1623473281. The next prime is 1623473399. The reversal of 1623473360 is 633743261.

It is a tau number, because it is divible by the number of its divisors (80).

It is a self number, because there is not a number n which added to its sum of digits gives 1623473360.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 188345 + ... + 196775.

It is an arithmetic number, because the mean of its divisors is an integer number (49403088).

Almost surely, 2^1623473360 is an apocalyptic number.

1623473360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1623473360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1976123520).

1623473360 is an abundant number, since it is smaller than the sum of its proper divisors (2328773680).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1623473360 is a wasteful number, since it uses less digits than its factorization.

1623473360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8556 (or 8550 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 35.

The square root of 1623473360 is about 40292.3486533113. The cubic root of 1623473360 is about 1175.2990601377.

The spelling of 1623473360 in words is "one billion, six hundred twenty-three million, four hundred seventy-three thousand, three hundred sixty".